Dell Inspiron 3500 - Manual (Page 129)

Touch Pad
Battery
AC Adapter
Number of keys 87 (U.S. and Canada); 88 (Europe); 88 (Japan)
Key travel 3.0 ± 0.5 mm (0.12 ± 0.02 inch)
Key spacing 19.1 mm (0.75 inch)
Layout QWERTY/AZERTY/Kanji
Interface PS/2-compatible
X/Y position resolution (graphics table mode) 20 points/mm (500 points/inch)
Size:
Thickness 4.65 mm (0.18 inch) at highest component
Width 64-mm (2.52-inch) sensor-active area
Height 47.0-mm (1.85-inch) rectangle with 0.5-mm (0.02-inch) tabs
Weight 15 g (0.52 oz) ± 0.5 g (0.001 oz)
Power:
Supply voltage 5 V ± 10%
Supply current 4 mA (maximum operating)
Type lithium ion
Maximum dimensions:
Height 23.0 mm (0.91 inch)
Depth 146.5 mm (5.77 inches)
Width 98.3 mm (3.87 inches)
Weight 0.44 kg (0.97 lb)
Voltage 10.8 VDC
Capacity 48.5 WH
Charge time (approximate)* 3.0 hours (computer on);
2.0 hours (computer off)
Operating time (approximate)* 2 to 3 hours with one battery;
4 to 6 hours with two batteries
Life span (approximate)* 400 discharge/charge cycles
Temperature range:
Charge 5° to 35°C (41° to 95°F)
Discharge
5° to 35°C (41° to 95°F)
Storage - 20° to 50°C ( - 4° to 122°F)
* Battery performance features such as charge time, operating time, and life span can vary according to the
conditions under which the computer and battery are used and according to the configuration of the computer
system.
Input voltage 90 to 264 VAC